Administrative Assistant

Job overview

The Administrative Assistant role is an onsite, full-time position in Tonawanda, NY, with a personalized schedule coordinated with a supervisor and availability for at least two evenings per week. Pay is $18.26–$19.78 per hour. The role supports Horizon Health Services’ outpatient clinics serving people seeking mental health and substance use treatment. The assistant welcomes visitors, manages appointments and records, and supports clinical and medical staff with administrative needs. The role helps patients navigate clinic interactions and supports day-to-day clinic operations, including communication, medication refill requests, billing issues, and transportation coordination.

What you'll do

• Welcome clinic visitors
• oversee scheduled appointments
• assist with medication refill requests
• prepare charts and record requests
• support clinical and medical staff
• handle administrative responsibilities, insurance and billing disputes, appointment scheduling, transportation coordination, and communications with referral sources.

What we're looking for

Skills & competencies

administrative assistant

behavioral health

mental health

substance use treatment

tonawanda ny

horizon health services

full-time

$18.26–$19.78 per hour

patient support

appointment scheduling

electronic health records

evening availability

paid time off

Work arrangement

• Weekend coverage required

Benefits & perks

• 401(k) and profit-sharing programs
• student loan assistance
• paid time off and holidays
• tuition discount through Capella University
• training and professional development.

Why this role

Supports outpatient mental health and substance use treatment clinics serving children, adolescents, and adults.

About the employer

Horizon Health Services is hiring for this role. Industry: Outpatient Mental Health and Substance Abuse Centers. Sector: 62.